2000 TDI Jetta, just getting verified and wrapping my head around all this

   #21  

Uwe

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I had *assumed* that knowing the VIN was mandatory for OBD vehicles - good to know otherwise.
My guess is that it is mandatory these days, and became so in some revision of the OBD specs, but it clearly wasn't early on. Remember the first version of those specs dates back to the early 1990s and implementation was mandatory in the USA as of MY 1996.

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Jetta 97

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Ok, so the modules in each model year get unique part numbers? I would have expected something like that to only change between the generations

How do you use the part number to find a year? I don't see anything in those that would indicate the number '2000', so the obvious is out
How I know that ?
Well that calls Experience , 30+ years under cars :)

The way for you is to look VIN 10th number, and in your case it will be Y for 200 model :
 
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